The 2025 Antarctic Ice Ultra™ is set to take place on November 7, 2025, in the remote and breathtaking Queen Maud Land, East Antarctica. Participants will gather at the Schirmacher Oasis, located between the Antarctic Ice Sheet and the Novolazarevskaya Ice Shelf. On this date, you can expect weather conditions typical for the Antarctic spring, with temperatures likely ranging from -5°C to -15°C (23°F to 5°F) and potential winds that could further chill the air. This endurance footrace challenges runners to see “How far could you run in 24 hours on the frozen continent?” Participants can choose from various distances, including 50k, 81k, and 100-mile options, along with team relay categories, all designed for those seeking to test their limits in one of the most extreme environments on Earth.

What distances are available for this event?

• →50k
• →81k (50-Mile)
• →100k
• →100-Mile
• →Half Marathon
• →Full Marathon
• →24-hour Relay Race (team option)

What is the format of the event?

The Antarctic Ice Ultra™ is a 24-hour endurance challenge. Participants will run as far as they can within this time frame on the frozen terrain of Antarctica.

How much does registration cost?

• →Registration is currently open, and spots are limited, available on a first-come, first-served basis.
• →Specific pricing details have not been provided, so please refer to the registration page for the latest information.

What is included in the registration?

Participants can expect the following inclusions with their registration:

• →Access to the race course
• →Timing services
• →Medical support
• →Refreshments along the course
• →A finisher's medal

What facilities and amenities are available at the venue?

The race venue at Schirmacher Oasis provides essential facilities, including:

• →Medical support stations
• →Aid stations with refreshments
• →Tent accommodations for participants

What should participants prepare for the weather?

Given the extreme cold expected in Antarctica during the event, it is crucial for participants to wear a strategic layering system that ensures warmth and insulation. Recommended gear includes:

• →Lightweight and breathable materials
• →Insulated outer layers designed for agility and endurance

Are there any awards or prizes for participants?

Awards will be given for various categories, including male and female divisions across the different race distances. Specific details regarding prizes will be announced closer to the event date.

What is the event schedule?

The detailed event schedule, including race start times and check-in details, will be communicated to registered participants as the event date approaches.

What are the records and stats for past events?

Past records for the Antarctic Ice Ultra™ include:

• →Men’s 50k Record: 6:30:59 (John Armbrust, USA, 2024)
• →Women’s 50k Record: 5:15:43 (Nahilia Hernandez, CUB/MEX, 2017)
• →Men’s 100k Record: 9:20:28 (Yusheng Ni, CHN, 2024)
• →Men’s 100-Mile Record: 23:22:57 (Paul Johnson & Roberto Sembiante, USA, 2024)

(Note: Other records may be vacant or pending.)